No, definitely not Y.F.....some beardies just develop discolored scales like that, it may look different after shedding but it's not harmful. There are a number of dragons with belly scales that look like that, she'll be fine.
Mirage came out of brumation on April 26. He was doing great. On May 2 he started acting funny. We just redid his tank, and he keeps going into one of his hides. He just lays there. He shows no intrest in food. HELP!